DeepThought: a Reputation and Voting-based Blockchain Oracle

Marco Di Gennaro; Lorenzo Italiano; Giovanni Meroni; Giovanni Quattrocchi

doi:10.1007/978-3-031-20984-0_26

DeepThought: a Reputation and Voting-based Blockchain Oracle

Marco Di Gennaro, Lorenzo Italiano, Giovanni Meroni, Giovanni Quattrocchi

Politecnico di Milano

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Abstract

Thanks to built-in immutability and persistence, the blockchain is often seen as a promising technology to certify information. However, when the information does not originate from the blockchain itself, its correctness cannot be taken for granted. To address this limitation, blockchain oracles -- services that validate external information before storing it in a blockchain -- were introduced. In particular, when the validation cannot be automated, oracles rely on humans that collaboratively cross-check external information. In this paper, we present DeepThought, a distributed human-based oracle that combines voting and reputation schemes. An empirical evaluation compares DeepThought with a state-of-the-art solution and shows that our approach achieves greater resistance to voters corruptions in different configurations.

Original language	English
Title of host publication	Service-Oriented Computing
Publisher	Springer
Publication date	2022
Pages	369–383
ISBN (Print)	978-3-031-20983-3
DOIs	https://doi.org/10.1007/978-3-031-20984-0_26
Publication status	Published - 2022
Event	20^th International Conference on Service-Oriented Computing - Hotel Meliá Sevilla, Sevilla, Spain Duration: 29 Nov 2022 → 2 Dec 2022 Conference number: 20 https://icsoc2022.spilab.es/

Conference

Conference	20^th International Conference on Service-Oriented Computing
Number	20
Location	Hotel Meliá Sevilla
Country/Territory	Spain
City	Sevilla
Period	29/11/2022 → 02/12/2022
Internet address	https://icsoc2022.spilab.es/

Series	Lecture Notes in Computer Science
Volume	13740
ISSN	0302-9743

Keywords

Blockchain oracles
Data certification services
Voting mechanisms
Human-based services

Access to Document

10.1007/978-3-031-20984-0_26

FulltextSubmitted manuscript, 498 KB

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ICSOC 2022 Distinguished Paper Award
Di Gennaro, Marco (Recipient), Italiano, Lorenzo (Recipient), Meroni, Giovanni (Recipient) & Quattrocchi, Giovanni (Recipient), 2022
Prize: Prizes, scholarships, distinctions

Cite this

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KW - Voting mechanisms

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DeepThought: a Reputation and Voting-based Blockchain Oracle

Abstract

Conference

Keywords

Access to Document

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Prizes

ICSOC 2022 Distinguished Paper Award

Cite this